Ishan Chattopadhyaya created SOLR-14665:
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Summary: Collection creation is progressively slower
Key: SOLR-14665
URL: https://issues.apache.org/jira/browse/SOLR-14665
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Ishan Chattopadhyaya
Attachments: Screenshot from 2020-07-18 07-49-01.png
Plain and simple collection creation (or even shard splits etc.) get
progressively slower as more and more collections are in the system. The
culprit is the autoscaling framework (possibly some unnecessary policy
computation).
Here is how bad the situation is:
https://issues.apache.org/jira/browse/SOLR-14656?focusedCommentId=17160311&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17160311
!Screenshot from 2020-07-18 07-49-01.png!
Btw, even when using createnodeset parameter, there is still a gradual slowdown
(but less steep than the graph here).
This is a matter of grave concern for anyone running a Solr cluster with more
than a few hundred collections.
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